In the present dissertation , nanocomposite thin films and extended molecular devices were prepared via the electrostatic self - assembly monolayer technique . the structures and the properties of the thin films were studied by uv - vis spectroscopy , x - ray diffraction spectroscopy , x - ray photoelectron spectroscopy , laser raman spectroscopy , atomic force microscopy , fiber optic experimental setups and so on . a novel fiber optic humidity sensor based on the self - assembled polyelectrolyte multilayer thin films was presented , and other thin film devices were also described 在对纳米复合薄膜研究的重要性及自组装薄膜技术的发展动态进行综合分析的基础上，开展了利用静电吸附自组装技术制备纳米复合薄膜及广义的分子器件的研究，采用紫外-可见光光谱仪、 x射线衍射仪、 x射线光电子能谱仪、激光拉曼光谱仪、原子力显微镜、光纤光学系统等研究了复合薄膜的结构与性能，研制了一种光纤湿度传感器和其他薄膜器件。
